When an iPhone suddenly refuses to install a new app or take another photo, the culprit is often a mysterious bar in Settings labelled “System Data.” Instead of music, photos or apps you recognise, ...

iPhone's "System Data" can take up a lot of space on your smartphone. Here's what we know. Credit: Future Publishing via Getty Images It's a dreaded notification that some iPhone users have come to ...

Does your iPhone suddenly stop responding, freeze on one screen, or feel slow for no clear reason? This common problem is ...